International Society for Bayesian Analysis (ISBA)
Promotes the development of Bayesian statistical theory and its application to problems in science, industry and government. News, history and minutes, archive of abstracts, information about the Reverend Thomas Bayes, and open positions in the field.
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Intuitive Calculus
A site that teaches calculus "by forming an intuition" of concepts such as limits, derivatives, and integrals.
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Invest Smart - David Leung, George Lee, and Andy Kim
Learn about the stock market and investment techniques. A Market Simulation lets classes, clubs, or individuals invest an imaginary $100,000 and track the results; includes a separate mutual funds simulation. Site also contains information about saving
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Isabel's Math Blog - Isabel Catherine Lugo
A log of "interesting mathematics-related things" found on the web. The author studies mathematics at MIT, and since April of 2004 has used the blog to "... talk about interesting mathematics I come up with myself -- mostly toy problems, but I might even
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iSchoolPolymath - Sarah Prendergast
Video libraries, syllabi, Pinterest inspiration pages, and other materials for math courses taught at iSchoolPolymath, a public high school in New York City. Prendergast's Algebra I course incorporates gamification, hands-on projects, problem solving,
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Jaz_math - Jasmine Walker
Blog by a Vermont teacher of ninth grade math (integrated algebra and geometry) and calculus. Posts, which date back to August, 2012, have included "'I Was Never Good At Math Either,'" "Twitter Math Joy," "TI-83 Programming Project for Coordinate Geometry,"
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Jeremy Kun
Primers, galleries of computer programs and math proofs, and more befitting "a place for elegant solutions." Kun, a mathematics PhD student at the University of Illinois in Chicago with a background in computer science, has also blogged since September,
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The Jose Vilson - José Luis Vilson
Blog by a math educator for a middle school in the Inwood and Washington Heights neighborhoods of New York. Posts, which date back to February, 2007, have included "On The Reason Why You May Only Get One Black Male Teacher Ever In Your Life (If At All),"
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Just Tell Me the Answer | "Never!" - Matt Owen
Blog by an algebra and physics teacher who believes students "have a real chance at understanding if I'm just willing to let them struggle." Posts, which date back to August, 2012, have included "Answering 'the Question,'" "Flipclass Reflections So Far,"
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Kagan Publishing and Professional Development
Publications and teacher training to provide children with the situations in which they behave most cooperatively. In addition to greater cooperation, Kagan's "structures" aim for greater academic achievement, improved ethnic relations, enhanced self-esteem,
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Karismath - Shad Moarif
Learn math through visual scaffolding, whereby "... a math concept is first understood with the help of visualization, then gradually assimilated as an abstract idea in stages of decreasing visualisation and increasing numeracy." More than 10,000 worksheets
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Kidsmath - About.com
A guided portal to the world of kids' internet math sites. Includes links to math sites categorized by level and topic; math newsletters (which typically highlight a group of sites on one topic, with associated articles); discussion forums; monthly problems
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Kitchen Table Math - Catherine Johnson
A collaborative weblog that began when Johnson's son "... finished out the school year with a 39 on his Unit 6 test, Fractions and Decimals.... Later on I discovered that fractions are the 'bottleneck' in elementary mathematics; lives are lost in the
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The Klein Project
Revisiting the intent of Felix Klein's Elementary Mathematics from an Advanced Standpoint on the centenary of its publication, this IMU/ICMI-commissioned project aims to produce a book for upper secondary teachers that communicates the breadth and vitality
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Knot Theory - ThinkQuest 1997
A short course on knot theory, including tutorials on the basics, knot invariants, knot properties, and knot arithmetic; biographical information on historical and contemporary figures working with knot theory; applications of knot theory; a discussion
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The komplex plane - Travis Kowalski
Kowalski's problems, animations, tutorials, and other "mathlets" focus on calculus. See also the jokes collected by this professor at South Dakota's School of Mines, and his blog of math musings that wonder at the mathematics in everything from quilts
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langer.kogut.math
"One year, two math teachers in Boston decided to throw everything out the window and start from first principles. Here's what happened...." Blog posts, which date back to March, 2013, have included "An Illustrative Example -- Version Kogs/Whole Child"
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language and literacy: Mathematics - John Bald
The author of The Literacy File and Using Phonics to Teach Reading and Writing, Bald teaches reading, writing, and foreign languages in the UK. His blog posts, which date back to August, 2008, have included "Language, understanding and confidence in maths,"
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Lateral Puzzles - Paul Sloane
Pose or solve lateral thinking puzzles, also known as situation puzzles, which depict a counterintuitive scenario to be explained by asking yes-no questions or by proposing explanations. Read question-and-answer conversations of current and solved puzzles;
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Latest posts from Math - Teach For Us
Math teacher blogs from the "network connecting Teach For America (TfA) corps members and alumni who share their stories about ensuring an excellent education for all children." Posts, dating back to July, 2006, have included "what do I need to do to
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The Laughing Mathematician - Thomas Woolley
Humorous blog begun April, 2011, by a researcher of mathematical biology at the University of Oxford. Posts "that make me laugh or have a mathematical flavour (hopefully, both)" have included "Mathematical biology. Create you own Turing patterns," "Finding
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Laws of Form - Richard Shoup
Inspired by the book Laws of Form by George Spencer-Brown, in which the author built a "calculus of distinctions." Read an interpretation of his laws of calling and crossing as a logical arithmetic; see a simple analysis of Spencer-Brown's Counter; learn
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Learninginhand.com - Tony Vincent
An educator's resource for using handhelds in schools. Includes lists of software applications for Palm and Pocket PC computers, a comprehensive listing of the best sites for educators, lesson plans, classroom management tips, and more.
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LessonSketch - The Regents of the University of Michigan
A suite of animated sketches of geometry and algebra instruction, and forum for ongoing conversations about mathematics instruction, for practice-based professional development of secondary mathematics teachers. LessonSketch "supports the creation, examination,
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Let's Play Math! - Denise Gaskins
"As a homeschool mom who loves math, I want to help other homeschoolers see the variety and richness of the subject.... I hope this blog will be a place where we can play around with ideas about learning, teaching, and understanding math. (For me, it
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LiteracyTentWiki
Wiki discussions on research questions using knowledge from research, experience teaching adult learners, or your experience as an adult learner. The table of contents includes topics such as Technology in the Classroom and GED Research.
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LiveCube.com - Min Shih
A puzzle-building system: small colored cubes may be joined to create larger assemblies. Site includes puzzle models, discussion areas for puzzle designers and educators, and a catalog of puzzle components for purchase. Requires several plugins; files
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Living Math! - Julie Brennan
A site dedicated to sharing resources for learning, exploring and enjoying math in a dynamic and holistic manner. The homeschooling author has "... found that math history and literature humanizes math, makes it come alive, and provides the context needed
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M^3 (Making Math Meaningful) - Mary Bourassa
Blog by the Director of Ontario Association for Mathematics Education (OAME). Posts by this winner of the NCTM Future Leaders Award date back to April, 2013, and have included "Parabolic Art," "Day -7," "Completing the Square with Algebra Tiles," "MFM2P
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Many Eyes - IBM
"Many Eyes is a bet on the power of human visual intelligence to find patterns. Our goal is to 'democratize' visualization and to enable a new social kind of data analysis...." View and discuss visualizations, view and discuss data sets, and create visualizations
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The Map is Not the Territory - Malke Rosenfeld
Blog by a traditional percussive dancer (Appalachian style flatfooting and clogging and Canadian step dancing) who "teaches the math that directly relates to the process of making rhythm and patterns with the feet." Posts about the mathematics of percussive
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March Mathness - Princeton University Press
Interviews and predictions of sports rankings experts, coaches, and mathematicians which take the power of mathematical methods of rating and ranking, and bring them to bear on the NCAA college basketball tournament. Princeton University Press invites
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MathAction Online Services - Bill Page
Axiom is a general purpose Computer Algebra system. It defines a strongly typed, mathematically correct type hierarchy. It has a programming language and a built-in compiler. You can enter mathematics using LaTeX, Axiom commands, or Reduce commands, and
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MathArguments180.com
Subtitled "180 Days of Ideas for Discussion in Math Class," this blog of prompts dates back to January, 2014 with posts such as "Improperly Canceling Fractions," "Order of Operations is Wrong," and "Why 360?"
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